Basis of Presentation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 30, 2013	Mar. 31, 2012
Long-Lived Assets [Abstract]
Restructuring, impairment and other charges	$ 4,182	$ 14,022
Asset Impairments, Net of Gain on Sale [Member]
Long-Lived Assets [Abstract]
Restructuring, impairment and other charges	$ 147	$ 6,289

The aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.3)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Name:	us-gaap_RestructuringSettlementAndImpairmentProvisions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration